Toward a multihomogeheous model for a temporal database

  title={Toward a multihomogeheous model for a temporal database},
  author={Shashi K. Gadia},
  journal={1986 IEEE Second International Conference on Data Engineering},
In a conventional database, out of date information is deleted from time to time to keep the database up-to-date. In some applications it is not appropriate to discard old information. In a temporal database, time values are associated with each data item to indicate its period of validity. We propose a model for temporal databases within the framework of classical relational database theory. Our basic model is homogeneous in the sense that the periods of validity of all the attributes in a… CONTINUE READING


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